GOG.com is currently running a deal where you can get all three Gabriel Knight games for 30% off. This means that the entire collection of the classic adventure titles is available for under $13.00. If you purchase the games separately, you will receive a 15% discount on the regular price. The titles available are Gabriel Knight: Sins of the Fathers, Gabriel Knight 2: The Beast Within, and Gabriel Knight 3: Blood of the Sacred, Blood of the Damned.

For those not familiar with Gabriel and his escapades, the games are mystery adventure titles. The player controls Gabriel Knight, a struggling horror novelist who lives in New Orleans. His adventure begins when he becomes too involved in his investigation of “The Voodoo Murders.”

The sale is only in effect until Monday, May 24 at 11:59pm EDT so make sure to partake while you still can. You can start shopping here.